Kolpin Outfitter Box - 93450 Largest hard-sided storage box offered by Kolpin. Easily accommodates 4 adult sized helmets and more Includes kwik-cinch straps for quick on/off attachment and metal accessory rack for increased load carrying capacity Lid has molded-in tray and double wall construction for extra storage capacity and rigidity Fits most ATV tubular racks Dimensions: 42-1/2" x 21-1/2" x 16-3/4"; Front to back base footprint - 13" in the center between the rear of the seat to the rear of the rack, 19" on outside